Home / 20,348,006.40-28,080,241.56-11,181,239.28

Finding the Fourth Proportional to 20,348,006.40, 28,080,241.56 and 11,181,239.28

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Solution

The fourth proportional to 20,348,006.40, 28,080,241.56 and 11,181,239.28 is: 15,430,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,006.40 : 28,080,241.56 = 11,181,239.28 : x
  2. Step 2: Convert to fraction form
    20,348,006.40/28,080,241.56 = 11,181,239.28/x
  3. Step 3: Cross multiply
    20,348,006.40x = 28,080,241.56 × 11,181,239.28
  4. Step 4: Simplify right side
    20,348,006.40x = 313,971,899,922,560.44
  5. Step 5: Solve for x
    x = 313,971,899,922,560.44/20,348,006.40
  6. Step 6: Final answer
    x = 15,430,106.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.